CN103220676B - A kind of frequency multiplexing method, equipment and system - Google Patents
A kind of frequency multiplexing method, equipment and system Download PDFInfo
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Abstract
The invention discloses a kind of frequency multiplexing method, equipment and system, the method comprises: for arbitrary community, according to the multiple logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway, and the downlink data after dissection process corresponding for each logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to the logical carrier pre-set and physics frequency, determine the physics frequency that this logical carrier is corresponding and after the downlink data after dissection process corresponding for this logical carrier is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, with the isolation of the space isolation of setting between same physical frequency.By this programme, limiting in community based on physics frequency inequality of the channeling that exists in prior art can be overcome, while ensuring coverage capacity, improve channeling efficiency.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of multiplexing method of intra-cell frequency, equipment and system.
Background technology
Along with the development of wireless communication technology and the continuous increase of number of wireless users, radio spectrum resources becomes more and more nervous, on this basis, in order to improve the utilization ratio of radio spectrum resources to solve the day by day nervous problem of radio spectrum resources, frequency multiplexing method arises at the historic moment.
Particularly, always at development since described frequency multiplexing method cellular autofluorescence technology occurs, initial frequency multiplexing method adopts 4X3 multiplexing, 3X3 is multiplexing, the common multiplexing method such as the multiplexing or 1X3 of 2X6 is multiplexing, considered the importance of broadcast channel afterwards, introduce dual multiplexing method, to BCCH(BroadcastControl Channel, Broadcast Control Channel) and TCH(Traffic Channel, Traffic Channel) adopt different multiplex modes respectively, wherein, the channeling efficiency of broadcast frequency is relatively low, thus can ensure that broadcast channel is to greatest extent from the impact of co-channel interference, simultaneously, the channeling efficiency of TCH is relatively high, thus the effect of raising capacity can be reached, and can frequency hopping be passed through, DTX(DiscontinuousTransmission, discontinuous transmission), the methods such as power control reduce interference, ensure the speech quality of TCH.
Further, in order to improve the utilization ratio of radio spectrum resources better, after said frequencies multiplexing method, industry also been proposed other frequency multiplexing methods a series of, specifically can comprise following a few class:
The first kind: adopt the mode of layered reuse to improve channeling efficiency; Particularly, cell coverage area is divided into interior region and outer peripheral areas, and wherein, the frequency reuse of outer peripheral areas is higher, interior region seems larger because multiplex distance has the isolation of outer peripheral areas, the lower mode of frequency reuse therefore can be adopted to improve efficiency of frequency employment;
Equations of The Second Kind: adopt the mode of scheduling to improve channeling efficiency; Particularly, deposit in a case of overlap at neighboring interval frequency spectrum, the interference of each carrying is measured by triggering terminal, terminal scheduling is gone to disturbing in less carrying, thus under realizing adjacent area spectrum overlapping situation, telex network process avoids the impact by co-channel interference as far as possible, to improve spectrum utilization efficiency;
3rd class: receiver adopts interference suppression algorithm to improve the tolerance of receiver to interference, relaxes the requirement to frequency reuse distance with this, final raising channeling efficiency;
4th class: adopt carrier frequency fission method to improve channeling efficiency; Particularly, each carrier wave is subdivided into different time-gap, adjacent base station staggers and dispatches each time slot of same carrier wave, finally reaches the object improving channeling efficiency;
5th class: adopt little base station multiplexing macro station frequency method to improve channeling efficiency; Particularly, introduce macro station and add the collaborative covering in little base station, between macro station, increase little base station carry out auxiliary covering, to widen frequency multiplex distance, improve the multiplexing efficiency of macro station frequency with this; Meanwhile, the operating frequency due to the little base station for auxiliary covering is that therefore, little base station additionally can't increase spectrum requirement, may ultimately reach the object improving frequency multiplexing efficiency based on disturbing minimum frequency to obtain in existing macro station.
But applicant finds, in existing frequency multiplexing method Dou Shiyi community premised on physics frequency inequality, thus will certainly the further lifting of limit frequency multiplexing efficiency, cause channeling efficiency not good.
Summary of the invention
Embodiments provide a kind of frequency multiplexing method, equipment and system, in order to solve limitation that the channeling that exists in prior art causes based on physics frequency inequality in community and the lower problem of channeling efficiency.
A kind of frequency multiplexing method, comprising:
For arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N;
Network side is according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined,
Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
A kind of network equipment, comprising:
Frequency map unit, for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N;
Data processing unit, for according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined,
Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
A kind of communication front-end equipment, comprising:
First receiving element, for receiving network side according to the multiple logical carrier arranged for this community, communication front-end equipment place, the downlink data after the dissection process corresponding with the logical carrier corresponding to this communication front-end equipment issued after carrying out dissection process to the downlink data from system gateway received;
First transmitting element, for the downlink data after arbitrary dissection process of receiving for described information receiving unit, according to the mapping relations of pre-configured logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
A kind of frequency reuse system, comprises network equipment and at least two communication front-end equipments, wherein:
Described network equipment, for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N, and, according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier,
Described communication front-end equipment, for receiving the downlink data after dissection process that network equipment issues, and for the downlink data after the arbitrary dissection process received, according to the mapping relations of logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
Beneficial effect of the present invention is as follows:
Embodiments provide a kind of frequency multiplexing method, equipment and system, by pre-setting the mapping relations of logical carrier and physics frequency, make when carrying out the network side dissection process of cell data, logically carrier wave carries out, and when the transmitting-receiving of eating dishes without rice or wine carrying out cell data waits process, then carry out according to physics frequency, and, when in same community, Different Logic carrier wave is mapped to Same Physical frequency, by the space isolation set to ensure the carrier/interface ratio requirement of channel, thus overcome limiting in community based on physics frequency inequality of the channeling that exists in prior art, while ensuring coverage capacity, improve the multiplexing efficiency of frequency.
Accompanying drawing explanation
Figure 1 shows that the schematic flow sheet of frequency multiplexing method described in the embodiment of the present invention one;
Figure 2 shows that the concrete schematic diagram one of channeling in the embodiment of the present invention one small area;
Figure 3 shows that the concrete schematic diagram two of channeling in the embodiment of the present invention one small area;
Figure 4 shows that the structural representation of network equipment described in the embodiment of the present invention two;
Figure 5 shows that the structural representation of communication front-end equipment described in the embodiment of the present invention three;
Figure 6 shows that the structural representation of frequency reuse system described in the embodiment of the present invention four.
Embodiment
Embodiments provide a kind of frequency multiplexing method, equipment and system, for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N, and, network side is according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
By technical scheme described in the embodiment of the present invention, by pre-setting the mapping relations of logical carrier and physics frequency, make when carrying out the network side dissection process of cell data, logically carrier wave carries out, and when the transmitting-receiving of eating dishes without rice or wine carrying out cell data waits process, then carry out according to physics frequency, and, when in same community, Different Logic carrier wave is mapped to Same Physical frequency, by the space isolation set to ensure the carrier/interface ratio requirement of channel, thus overcome limiting in community based on physics frequency inequality of the channeling that exists in prior art, while ensuring coverage capacity, improve the multiplexing efficiency of frequency, achieve the target of high power capacity low frequency spectrum demand, efficiently solve the problem of frequency spectrum resource anxiety.
Below in conjunction with Figure of description, embodiments of the present invention is further illustrated, but the present invention is not limited to the following examples.
Embodiment one:
As shown in Figure 1, it is the schematic flow sheet of frequency multiplexing method described in the embodiment of the present invention one, said method comprising the steps of:
Step 101: for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N.
Particularly, described logical carrier can characterize the carrier capacity that this community is supported, wherein, this capacity can each processing module in characterizing network side, and the process supported as physical channel processing module (L1 layer processing module), data link layer and above each layer processing module (L2 layer and above each layer processing module thereof) thereof are required is handled up; In addition, this capacity also can characterize the total number of channels of whole community.
Further, in embodiment of the present invention, for arbitrary logical carrier, this logical carrier only can map to a physics frequency, and for multiple different logical carrier, the plurality of different logical carrier can map to Same Physical frequency; That is, in embodiment of the present invention, in the mapping relations of the N number of logical carrier set up and M physics frequency, can be one to one or many-to-one mapping relations between described logical carrier and described physics frequency.
It should be noted that, this step 101 is steps of the mapping relations before the transmission carrying out community up-downgoing data and process between pre-configured logical carrier and physics frequency, not carry out the transmission of community up-downgoing data and the operation that all must perform during process at every turn, after mapping relations between configuration logic carrier wave and physics frequency, can the transmission of up-downgoing data in community below multiple exercise and treatment step.
Step 102: network side is according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier.
That is, in this step 102, network side can according to the N number of logical carrier arranged for this community, between each layer of network side protocol stack and each layer inside carry out data configuration and mutual time, all logically carrier wave identifies, to reach configuration and data uniquely identified object in community of carrier wave, finally complete the dissection process of each carrier wave in community.
Particularly, network side is according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, specifically can comprise:
The L2 layer of network side and above each layer processing module thereof receive the downlink data from system gateway, and according to the N number of logical carrier arranged for this community, the downlink data from system gateway received is carried out to the dissection process of L2 layer and above each layer thereof, and, after the dissection process completing L2 layer and above each layer thereof, by corresponding for each logical carrier complete the dissection process of L2 layer and above each layer thereof after downlink data be sent to L1 layer processing module; The downlink data that each logical carrier issued by L1 layer processing module reception L2 layer and above each layer processing module thereof is corresponding, and the downlink data corresponding to each logical carrier carries out L1 layer dissection process, and, after the L1 layer dissection process completing downlink data corresponding to each logical carrier, for arbitrary logical carrier, the logically mapping relations of carrier wave and communication front-end equipment, are sent to the communication front-end equipment corresponding with this logical carrier by the downlink data after dissection process corresponding for this logical carrier.In addition, in embodiment of the present invention, consider the transmission bandwidth problem of network side and communication front-end equipment, the some or all of function of L1 layer processing module can be placed into communication front-end equipment, completed the some or all of function of L1 layer processing module in uplink downlink by communication front-end equipment, finally reach the object reducing transmission bandwidth between communication front-end equipment and network side.
It should be noted that, in embodiment of the present invention, for arbitrary community, under ensureing that the number of the communication front-end equipment corresponding to this community is not less than the prerequisite of two, the number of the communication front-end equipment corresponding to this community needs to set according to actual conditions, and the embodiment of the present invention is not limited in any way this; More preferably, in embodiment of the present invention, can, according to the target coverage area size of this community and capacity requirement, be multiple communication front-end equipments that the setting of this community matches with this cell target overlay area capacity and area coverage.
It should be noted that in addition, in embodiment of the present invention, the mapping relations of logical carrier and communication front-end equipment can be carried out pre-configured according to actual conditions, and the embodiment of the present invention is not limited in any way this; Further, for arbitrary logical carrier, this logical carrier can map at least one communication front-end equipment, and in addition, for multiple different logical carrier, the plurality of different logical carrier can map to same communication front-end equipment; That is, for arbitrary communication front-end equipment, this communication front-end equipment can carry the data of the one or more logical carrier in a community; Further, for arbitrary communication front-end equipment, all right corresponding one or more physics frequency of this communication front-end equipment, the embodiment of the present invention is not also limited in any way this.
Step 103: communication front-end equipment is for the downlink data after the arbitrary dissection process received, according to the mapping relations of logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, be sent to the overlay area of this communication front-end equipment based on the physics frequency determined; Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
In this step 103, due to when covering the physics frequency of each target area and occur the phenomenon that physics frequency repeats in a community, the mode can carrying out isolating with the space isolation of setting between same physical frequency, to ensure that carrier/interface ratio meets expection requirement, therefore can reach the multiplexing object of frequency height.
Particularly, below with the building of a MPS process ten floor and whole community comprises 11 logical carrier (corresponding service logic carrier wave of every floor, broadcast logical carrier wave covers entire building) be example (example one), the concrete mode of frequency multiplexing method described in the embodiment of the present invention is simply set forth:
In the cell, due to the isolation on Existential Space between each floor, therefore, even if for same community, its physics frequency also can be multiplexing; Particularly, as shown in Figure 2, the service logic carrier wave (corresponding to the logical carrier Logic_F1 corresponding to floor 1, the logical carrier Logic_F3 corresponding to floor 3, the logical carrier Logic_F5 corresponding to floor 5, the logical carrier Logic_F7 corresponding to floor 7, floor 9 logical carrier Logic_F9) that in Ke Jianggai community, each odd floors is corresponding is configured to shared Same Physical frequency Phy_F1; Service logic carrier wave (corresponding to the logical carrier Logic_F6 corresponding to the logical carrier Logic_F2 corresponding to floor 2, the logical carrier Logic_F4 corresponding to floor 4, floor 6, the logical carrier Logic_F8 corresponding to floor 8, floor 10 logical carrier Logic_F10) corresponding for each even floors is configured to shared another physics frequency Phy_F2; Broadcast logical carrier wave (logical carrier Logic_F11) corresponding to entire building is configured to take another physics frequency Phy_F3(Fig. 2 not shown), make under current area carrier wave total capacity is the prerequisite of 11, only need a small amount of physics frequency (3), the object of cell frequency multiplex can be realized; Compared with traditional frequency multiplexing mode (needing the physics frequency of 11 inequalities), the frequency sum needed for the embodiment of the present invention is only 27.3% of frequency sum needed for legacy frequencies multiplex mode, thus greatly can improve the multiplexing efficiency of intra-cell frequency.
It should be noted that, in above-mentioned example one, the number of the communication front-end equipment that this community possesses can be set to 10, and wherein, each communication front-end equipment is corresponding with a floor (target area) of this community respectively.
Further, can also with the two-layer building of a MPS process one and whole community comprises nine logical carrier that (every floor is divided into four regions, the corresponding service logic carrier wave in each region, broadcast logical carrier wave covers entire building) be example (example two), the concrete mode of frequency multiplexing method described in the embodiment of the present invention is simply set forth:
In the cell, due to the isolation between floor and between each region of same floor on Existential Space, therefore, even if for same community, its physics frequency also can be multiplexing; Particularly, as shown in Figure 3, in Ke Jianggai community, the logical carrier Logic_F1 corresponding to a-quadrant of floor 1, the logical carrier Logic_F3 corresponding to C region of floor 1, the logical carrier Logic_F6 corresponding to B region of floor 2, the logical carrier Logic_F8 corresponding to D region of floor 2 are configured to shared Same Physical frequency Phy_F1; In this community, the logical carrier Logic_F2 corresponding to B region of floor 1, the logical carrier Logic_F4 corresponding to D region of floor 1, the logical carrier Logic_F5 corresponding to a-quadrant of floor 2, the logical carrier Logic_F7 corresponding to C region of floor 2 are configured to shared another physics frequency Phy_F2; Broadcast logical carrier wave (logical carrier Logic_F9) corresponding to entire building is configured to take another physics frequency Phy_F3(Fig. 3 not shown), make under current area carrier wave total capacity is the prerequisite of nine, only need a small amount of physics frequency (3), the object of cell frequency multiplex can be realized; Compared with traditional frequency multiplexing mode (needing the physics frequency of nine inequalities), the frequency sum needed for the embodiment of the present invention is only 33.4% of frequency sum needed for legacy frequencies multiplex mode, thus greatly can improve the multiplexing efficiency of intra-cell frequency.
It should be noted that, in above-mentioned example two, the number of the communication front-end equipment that this community possesses can be set to 8, and wherein, each communication front-end equipment is corresponding with 1/4th regions of a floor of this community respectively.
Further, in embodiment of the present invention, carrier capacity in above-mentioned example one or example two can also be promoted, capacity by each capping unit in example one or example two is promoted to two or more carrier wave by original carrier wave, namely by the mode of the capacity of each capping unit (1/4th regions of a floor) in each capping unit (floor) in raising example one or example two, the mapping relations between logical carrier and physics frequency are made to be the relation of a logical carrier compound mapping physics frequency point sets, thus under the pattern improving capacity, also can realize the object improving channeling efficiency, it should be noted that, in such cases, for arbitrary communication front-end equipment, the corresponding multiple logical carrier of this communication front-end equipment and multiple physics frequency, further, the multiple logical carrier corresponding to this communication front-end equipment and be relation one to one between multiple physics frequency.
It should be noted that, above-mentioned steps 102 ~ step 103 transmits the process with process for carrying out cell downlink data, further, in embodiment of the present invention, described frequency multiplexing method is also applicable to transmission and the processing procedure of cell uplink data, correspondingly, described frequency multiplexing method can also comprise the following steps:
Communication front-end equipment is based on physics frequency corresponding to own coverage area, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, network side is returned to the passage that the logical carrier corresponding with self is corresponding, after carrying out upper row relax by the upstream data that network side is corresponding to each logical carrier received, return to system gateway.
Particularly, for arbitrary communication front-end equipment, this communication front-end equipment can according to the mapping relations between logical carrier and communication front-end equipment and the mapping relations between logical carrier and physics frequency, determine the physics frequency that own coverage area is corresponding, and based on the physics frequency determined, receive the upstream data from the terminal in own coverage area, and, for arbitrary upstream data received, after corresponding down-conversion is carried out to this upstream data received, network side is returned to the passage that the logical carrier corresponding with the physics frequency adopted when receiving this upstream data is corresponding,
The L1 layer processing module receiving front-end treatment facility of network side is with each upstream data of passage passback corresponding to the logical carrier that this communication front-end equipment is corresponding, and after the process needed for L1 layer is carried out to each upstream data received, report the L2 layer of network side and above each layer processing module thereof, after by L2 layer and above each layer processing module thereof each upstream data received being carried out to the process of L2 layer and above each layer thereof, return to system gateway.
Further, in embodiment of the present invention, described method can also comprise:
Network side is when the resource request that response terminal sends, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description, thus after terminal is received response message that network side issues, the enterprising Serial Communication of physics frequency can specified in channel describes, finally can be received by corresponding communication front-end equipment, also network side is handed down to terminal downlink information by this physics frequency can be received, to complete the mutual of communication, particularly, in embodiment of the present invention, the main body performing above-mentioned channel description operation is specifically as follows the L2 layer of network side and above each layer processing module thereof.
The embodiment of the present invention one provides a kind of intra-cell frequency multiplexing method, by pre-setting the mapping relations of logical carrier and physics frequency, make when carrying out the network side dissection process of cell data, logically carrier wave carries out, and when eat dishes without rice or wine transmitting-receiving and the cell channel description etc. of carrying out cell data process, then carry out according to physics frequency, and, when in same community, Different Logic carrier wave is mapped to Same Physical frequency, by the space isolation set to ensure the carrier/interface ratio requirement of channel, thus overcome limiting in community based on physics frequency inequality of the channeling that exists in prior art, while ensuring coverage capacity, improve the multiplexing efficiency of frequency, achieve the target of high power capacity low frequency spectrum demand, efficiently solve the problem of frequency spectrum resource anxiety.
Embodiment two:
As shown in Figure 4, its for the structural representation of network equipment described in the embodiment of the present invention two, described network equipment can be the equipment such as base station, the embodiment of the present invention is not limited in any way this; Particularly, described network equipment comprises frequency map unit 11 and data processing unit 12, wherein:
Described frequency map unit 11 is for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N; Particularly, for arbitrary logical carrier, this logical carrier only can map to a physics frequency, and for multiple different logical carrier, the plurality of different logical carrier can map to Same Physical frequency; That is, in embodiment of the present invention, in the mapping relations of the N number of logical carrier set up and M physics frequency, can be one to one or many-to-one mapping relations between described logical carrier and described physics frequency.
Described data processing unit 12 is for according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined,
Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
Particularly, described data processing unit 12 can comprise L1 layer processing module 121 and L2 layer and above each layer processing module 122 thereof further, wherein:
Described L2 layer and above each layer processing module 122 thereof, for receiving the downlink data from system gateway, and according to the N number of logical carrier arranged for this community, the downlink data from system gateway received is carried out to the dissection process of L2 layer and above each layer thereof, and, after the dissection process completing L2 layer and above each layer thereof, by corresponding for each logical carrier complete the dissection process of L2 layer and above each layer thereof after downlink data be sent to L1 layer processing module 121;
Described L1 layer processing module 121, for receiving downlink data corresponding to each logical carrier that L2 layer and above each layer processing module 122 thereof issue, and the downlink data corresponding to each logical carrier received carries out L1 layer dissection process, and, after the L1 layer dissection process completing downlink data corresponding to each logical carrier, for arbitrary logical carrier, the logically mapping relations of carrier wave and communication front-end equipment, are sent to the communication front-end equipment corresponding with this logical carrier by the downlink data after dissection process corresponding for this logical carrier.
Further, described data processing unit 11 is also for receiving the upstream data that each communication front-end equipment returns with the passage that the logical carrier corresponding with this communication front-end equipment is corresponding, and after the upstream data corresponding to each logical carrier received carry out upper row relax, return to system gateway;
Wherein, for arbitrary communication front-end equipment, this communication front-end equipment is this communication front-end equipment based on physics frequency corresponding to own coverage area to the upstream data that described data processing unit 11 returns, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, the upstream data returned with the passage that the logical carrier corresponding with self is corresponding.
Further, described data processing unit 11 also for send at response terminal resource request time, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description, thus after terminal is received response message that network side issues, the enterprising Serial Communication of physics frequency can specified in channel describes, finally can be received by corresponding communication front-end equipment, also data processing unit 11 is handed down to terminal downlink information by this physics frequency can be received, to complete the mutual of communication.
It should be noted that, in embodiment of the present invention, the main body performing above-mentioned channel description operation is specifically as follows L2 layer and above each layer processing module 122 thereof.
Embodiment three:
As shown in Figure 5, it is the structural representation of communication front-end equipment described in the embodiment of the present invention three, and described communication front-end equipment comprises the first receiving element 21 and the first transmitting element 22, wherein:
Described first receiving element 21 is for receiving network side according to the multiple logical carrier arranged for this community, communication front-end equipment place, the downlink data after the dissection process corresponding with the logical carrier corresponding to this communication front-end equipment issued after carrying out dissection process to the downlink data from system gateway received; Particularly, described logical carrier can characterize the carrier capacity that this community, communication front-end equipment place is supported, wherein, this capacity can each processing module in characterizing network side, and the process supported needed for L1 layer processing module, L2 layer and above each layer processing module thereof is handled up; In addition, this capacity also can characterize the total number of channels of whole community.
Described first transmitting element 22 is for the downlink data after arbitrary dissection process of receiving for described information receiving unit 11, according to the mapping relations of pre-configured logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
Particularly, network side can carry out the mapping relations between pre-configured logical carrier and physics frequency in such a way: in advance according to the total number subcarriers N that this community, communication front-end equipment place is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N.
Further, described communication front-end equipment can also comprise the second receiving element 23 and the second transmitting element 24:
Described second receiving element 23, for based on physics frequency corresponding to this communication front-end equipment overlay area, receives the upstream data from the terminal in this communication front-end equipment overlay area;
After described second transmitting element 24 carries out down-conversion for the upstream data received by described second receiving element 23, network side is returned to the passage that the logical carrier corresponding with this communication front-end equipment is corresponding, after carrying out upper row relax by the upstream data that network side is corresponding to each logical carrier received, return to system gateway.
Embodiment four:
As shown in Figure 6, it is the structural representation of frequency reuse system described in the embodiment of the present invention four, and described system comprises network equipment 31 and at least two communication front-end equipments 32, wherein:
Described network equipment 31 is for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N, and, according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment 32 corresponding with this logical carrier, particularly, for arbitrary logical carrier, this logical carrier only can map to a physics frequency, and for multiple different logical carrier, the plurality of different logical carrier can map to Same Physical frequency, that is, in embodiment of the present invention, in the mapping relations of the N number of logical carrier set up and M physics frequency, can be one to one or many-to-one mapping relations between described logical carrier and described physics frequency.
Described communication front-end equipment 32 is for the downlink data after the dissection process that receives network equipment 31 and issue, and for the downlink data after the arbitrary dissection process received, according to the mapping relations of logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
It should be noted that, in embodiment of the present invention, for arbitrary community, under ensureing that the number of the communication front-end equipment corresponding to this community is not less than the prerequisite of two, the number of the communication front-end equipment corresponding to this community needs to set according to actual conditions, and the embodiment of the present invention is not limited in any way this; More preferably, in embodiment of the present invention, can, according to the capacity of the target coverage area of this community and overlay area size, be multiple communication front-end equipments that the setting of this community matches with this cell target overlay area capacity and overlay area size.
Further, described communication front-end equipment 32 is also for based on physics frequency corresponding to own coverage area, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, return to network equipment 31 with the passage that the logical carrier corresponding with self is corresponding;
Further, described network equipment 31 is also for receiving the upstream data that each communication front-end equipment 32 returns with the passage that the logical carrier corresponding with this communication front-end equipment 32 is corresponding, and after the upstream data corresponding to each logical carrier received carry out upper row relax, return to system gateway.
Further, described network equipment 31 also for send at response terminal resource request time, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a frequency multiplexing method, is characterized in that, described method comprises:
For arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N;
Network side is according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined,
Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
2. frequency multiplexing method as claimed in claim 1, it is characterized in that, described method also comprises:
Communication front-end equipment is based on physics frequency corresponding to own coverage area, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, network side is returned to the passage that the logical carrier corresponding with self is corresponding, after carrying out upper row relax by the upstream data that network side is corresponding to each logical carrier received, return to system gateway.
3. frequency multiplexing method as claimed in claim 1, is characterized in that,
Be one to one or many-to-one mapping relations between described logical carrier and described physics frequency.
4. frequency multiplexing method as claimed in claim 1, it is characterized in that, described method also comprises:
Network side is when the resource request that response terminal sends, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description.
5. a network equipment, is characterized in that, comprising:
Frequency map unit, for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N;
Data processing unit, for according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier, by the mapping relations of communication front-end equipment according to logical carrier and physics frequency, determine the physics frequency that this logical carrier is corresponding, and after the downlink data after dissection process corresponding for this logical carrier received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on this physics frequency determined,
Wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
6. network equipment as claimed in claim 5, is characterized in that,
Described data processing unit, also for receiving the upstream data that each communication front-end equipment returns with the passage that the logical carrier corresponding with this communication front-end equipment is corresponding, and after the upstream data corresponding to each logical carrier received carry out upper row relax, return to system gateway;
Wherein, for arbitrary communication front-end equipment, this communication front-end equipment is this communication front-end equipment based on physics frequency corresponding to own coverage area to the upstream data that described data processing unit returns, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, the upstream data returned with the passage that the logical carrier corresponding with self is corresponding.
7. network equipment as claimed in claim 5, is characterized in that,
Be one to one or many-to-one mapping relations between described logical carrier and described physics frequency.
8. network equipment as claimed in claim 5, is characterized in that,
Described data processing unit, also for send at response terminal resource request time, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description.
9. a communication front-end equipment, is characterized in that, comprising:
First receiving element, for receiving the downlink data after that network side issues, corresponding with the logical carrier corresponding to this communication front-end equipment dissection process; Wherein, the downlink data after this dissection process be network side according to the multiple logical carrier arranged for this community, communication front-end equipment place, the downlink data from system gateway received is carried out to dissection process obtains;
First transmitting element, for the downlink data after arbitrary dissection process of receiving for described first receiving element, according to the mapping relations of pre-configured logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency,
Wherein, the mapping relations of this logical carrier and physics frequency are pre-configured in such a way:
For arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N.
10. communication front-end equipment as claimed in claim 9, it is characterized in that, described communication front-end equipment also comprises the second receiving element and the second transmitting element, wherein:
Described second receiving element, for based on physics frequency corresponding to this communication front-end equipment overlay area, receives the upstream data from the terminal in this communication front-end equipment overlay area;
Described second transmitting element, after upstream data for being received by described second receiving element carries out down-conversion, network side is returned to the passage that the logical carrier corresponding with this communication front-end equipment is corresponding, after carrying out upper row relax by the upstream data that network side is corresponding to each logical carrier received, return to system gateway.
11. 1 kinds of frequency reuse systems, is characterized in that, described system comprises network equipment and at least two communication front-end equipments:
Described network equipment, for for arbitrary community, in advance according to the total number subcarriers N that this community is supported, for this community arranges N number of logical carrier being respectively used to identify N number of carrier wave that this community is supported, and this N number of logical carrier is mapped to M physics frequency, wherein, described M, N be not less than 2 positive integer and M is less than or equal to N, and, according to the N number of logical carrier arranged for this community, dissection process is carried out to the downlink data from system gateway received, obtain the downlink data of N number of and described N number of logical carrier one to one after dissection process, and the downlink data after dissection process corresponding for arbitrary logical carrier is sent to the communication front-end equipment corresponding with this logical carrier,
Described communication front-end equipment, for receiving the downlink data after dissection process that network equipment issues, and for the downlink data after the arbitrary dissection process received, according to the mapping relations of logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with the downlink data after this dissection process is corresponding, and after the downlink data after this dissection process received is carried out up-conversion, the overlay area of this communication front-end equipment is sent to based on the physics frequency determined, wherein, when same physical frequency covers zones of different, isolate with the space isolation of setting between same physical frequency.
12. frequency reuse systems as claimed in claim 11, is characterized in that,
Described communication front-end equipment, also for based on physics frequency corresponding to own coverage area, receive the upstream data from the terminal in own coverage area, and after the upstream data received is carried out down-conversion, return to network equipment with the passage that the logical carrier corresponding with self is corresponding;
Described network equipment, also for receiving the upstream data that each communication front-end equipment returns with the passage that the logical carrier corresponding with this communication front-end equipment is corresponding, and after the upstream data corresponding to each logical carrier received carry out upper row relax, return to system gateway.
13. frequency reuse systems as claimed in claim 11, is characterized in that,
Described network equipment, also for send at response terminal resource request time, according to the mapping relations between logical carrier and physics frequency, determine the physics frequency that the logical carrier corresponding with dispatch terminal requested resource is corresponding, and using determined physics frequency as the frequency point information in channel description.
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| CN1845632A (en) * | 2005-12-26 | 2006-10-11 | 华为技术有限公司 | Method for realizing wireless signal indoor coverage |
| CN101562816A (en) * | 2009-06-03 | 2009-10-21 | 北京邮电大学 | Method and device for frequency reuse |
| CN101990212A (en) * | 2009-08-04 | 2011-03-23 | 中兴通讯股份有限公司 | Method and system for networking indoor and outdoor distribution systems |
| CN102088726A (en) * | 2009-12-02 | 2011-06-08 | 中兴通讯股份有限公司 | Frequency multiplexing method and device |
| CN102271339A (en) * | 2010-06-07 | 2011-12-07 | 电信科学技术研究院 | Indoor distribution system-based method and apparatus for distributing carrier frequency resources |
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| CN1845632A (en) * | 2005-12-26 | 2006-10-11 | 华为技术有限公司 | Method for realizing wireless signal indoor coverage |
| CN101562816A (en) * | 2009-06-03 | 2009-10-21 | 北京邮电大学 | Method and device for frequency reuse |
| CN101990212A (en) * | 2009-08-04 | 2011-03-23 | 中兴通讯股份有限公司 | Method and system for networking indoor and outdoor distribution systems |
| CN102088726A (en) * | 2009-12-02 | 2011-06-08 | 中兴通讯股份有限公司 | Frequency multiplexing method and device |
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Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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